|  | @@ -282,7 +282,8 @@
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				|  |  |          </el-form-item>
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				|  |  |          <br>
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				|  |  |          <el-form-item label="单技班">
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				|  |  | -          <el-select v-model="maskForm.signClass">
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				|  |  | +          <el-select v-model="maskForm.signClass"
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				|  |  | +                     clearable>
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				|  |  |              <el-option v-for="(item,index) in signList"
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				|  |  |                         :key="index"
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				|  |  |                         :value="item.id"
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				|  | @@ -291,7 +292,8 @@
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				|  |  |  
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				|  |  |          </el-form-item>
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				|  |  |          <el-form-item label="合奏班">
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				|  |  | -          <el-select v-model="maskForm.mixClass">
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				|  |  | +          <el-select v-model="maskForm.mixClass"
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				|  |  | +                     clearable>
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				|  |  |              <el-option v-for="(item,index) in mixList"
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				|  |  |                         :key="index"
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				|  |  |                         :value="item.id"
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				|  | @@ -299,7 +301,8 @@
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				|  |  |            </el-select>
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				|  |  |          </el-form-item>
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				|  |  |          <el-form-item label="基础技能班">
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				|  |  | -          <el-select v-model="maskForm.highClass">
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				|  |  | +          <el-select v-model="maskForm.highClass"
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				|  |  | +                     clearable>
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				|  |  |              <el-option v-for="(item,index) in highList"
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				|  |  |                         :key="index"
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				|  |  |                         :value="item.id"
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				|  | @@ -308,6 +311,7 @@
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				|  |  |          </el-form-item>
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				|  |  |          <el-form-item label="临时班">
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				|  |  |            <el-select v-model="maskForm.snapClass"
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				|  |  | +                     clearable
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				|  |  |                       multiple>
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				|  |  |              <el-option v-for="(item,index) in snapList"
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				|  |  |                         :key="index"
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				|  | @@ -355,6 +359,7 @@
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				|  |  |                    style="width: auto;">
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				|  |  |              <el-form-item>
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				|  |  |                <el-select filterable
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				|  |  | +                         clearable
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				|  |  |                           multiple
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				|  |  |                           placeholder="选择辅件"
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				|  |  |                           clearable
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				|  | @@ -678,7 +683,8 @@ export default {
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				|  |  |              return;
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				|  |  |            }
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				|  |  |            let snapClassIds;
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				|  |  | -          maskForm.snapClass.length > 0 ? snapClassIds = maskForm.snapClass.join(',') : snapClassIds = null
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				|  |  | +
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				|  |  | +          maskForm.snapClass ? snapClassIds = maskForm.snapClass.join(',') : snapClassIds = null
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				|  |  |            let params = {
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				|  |  |              signClassId: maskForm.signClass,
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				|  |  |              mixClassId: maskForm.mixClass,
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				|  | @@ -713,6 +719,7 @@ export default {
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				|  |  |                price: maskForm.instrPrice
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				|  |  |              })
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				|  |  |            }
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				|  |  | +
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				|  |  |            addStudent(params).then(res => {
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				|  |  |              if (res.code == 200) {
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				|  |  |                this.$message.success('添加学生成功');
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